**24/26/27.5 Inch Mountain Bike - Shimano 21-Speed Gears, Mechanical Disc Brakes, Aluminum/High-Carbon Steel Frame, Full Suspension MTB for Adults & Teens - Perfect for Trail Riding, Commuting & Outdoor Adventures**

Elecony, specializing in bicycles and components, strives to bring you the highest performance bike with the best components Thunder--Our Aviation Aluminum Frame 24-inch bike. In most cases, the lighter the bike, the easier the bike is to ride. The more aggressive and longer your child rides, the more important weight becomes as well. Lightweight and spec’d with high-quality components, the Thunder Kids Bikes are an impressive combo of quality and value. Thunder is a great bike for young riders ready to tackle everything from cruises around the neighborhood to longer rides on compact dirt trails. Available in Various Colors Matte Black Gloss Radioactive Red Matte Green KEY FEATURES Bike Name Thunder Weight About 29 lbs Frame Size 15 inch Frame Material Aviation Aluminum Frame, Lightweight, Corrosion Resistant Fork MTB Front Suspension Fork Shift Lever SHIMANO RS35 Derailleur SHIMANO TY200 Chain 1/2"*3/32"*104L Brake Front and Rear Mechanical Disc Brakes Saddle Foam Saddle Can Adjust Height and Inclination Tire 24*2.1 inch, Brand COMPASS Rim 24*1.75 AV Aluminum Rider Height Ages 16 and up, or 53" to 62" feet in height Certificates GCC+16CFR1512+CPSC, etc. More Details Aluminum Frame Paired with a lightweight aluminum frame with confidence-building geometry, the Thunder is a great bike for young riders ready to tackle everything from cruises around the neighborhood to longer rides on compact dirt trails. More Resistant Suspension Fork Use shock-absorbing front forks. The thickened outer wall is more resistant to shocks. Ergonomic Rapid-Release Saddle Thick and wide comfort saddles can be adjusted according to your height. Dual Disc Brakes Both front and back are equipped with mechanical disc brakes. Mechanical disc brakes offer safety unmatched by V-brakes. Full Shimano Drivetrain Thunder features a full Shimano 21-speed drivetrain that provides comfortable gearing for beginners and experienced riders alike. Unique Shimano Grip Shifter Unlike some sellers who use low-cost grip shifters, we feature a full Shimano gearing kit, not just gears and rear derailleurs, we also use Shimano grip shifters, just to provide comfortable riding experience for your kids. Fuel You Passion for Riding! About install: 1. 86% of the bicycle has been assembled. You need to install pedals, front wheels, handlebars and inflate the tires. 2. Rotate the front fork 180 degrees before assembling the front wheel (the brake will be in front of the bicycle) 3. The left and right pedal threads are different. The spindle of each pedal is marked with an L/R mark to ensure that they are assembled in the correct position. The right side pedal has right-hand threads. The left pedal has left-hand threads. Use a tool to screw the two pedals into the crank arm as much as possible. 4. All tools are included in the package, no additional tools. For detailed assembly information, please watch our assembly video.